The DSTB38-ES is a vandalproof trackball as a mounting version in   high-quality steel construction. The trackball is a full pointing device with his integrated 3 mouse buttons and is conceived explicitly for surroundings where there is danger by vandalism or you ask for high claimable for customer traffic and/or weather proof and also can be used in industrial extreme surroundings. It ist absolute dust- and spray waterproof (IP65).